EP2264933A3 - Système et méthode numérique de radio-transmission - Google Patents
Système et méthode numérique de radio-transmission Download PDFInfo
- Publication number
- EP2264933A3 EP2264933A3 EP10012300.9A EP10012300A EP2264933A3 EP 2264933 A3 EP2264933 A3 EP 2264933A3 EP 10012300 A EP10012300 A EP 10012300A EP 2264933 A3 EP2264933 A3 EP 2264933A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- baseband signal
- quadrature baseband
- modulated quadrature
- section
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000048856 | 2000-02-25 | ||
JP2000320627A JP4409743B2 (ja) | 2000-02-25 | 2000-10-20 | 無線通信装置及び無線通信方式 |
EP01104308A EP1128586B1 (fr) | 2000-02-25 | 2001-02-22 | Station de base et appareil terminal avec modulation adaptative |
Related Parent Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01104308A Division EP1128586B1 (fr) | 2000-02-25 | 2001-02-22 | Station de base et appareil terminal avec modulation adaptative |
EP01104308A Division-Into EP1128586B1 (fr) | 2000-02-25 | 2001-02-22 | Station de base et appareil terminal avec modulation adaptative |
EP01104308.0 Division | 2001-02-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2264933A2 EP2264933A2 (fr) | 2010-12-22 |
EP2264933A3 true EP2264933A3 (fr) | 2017-05-17 |
EP2264933B1 EP2264933B1 (fr) | 2018-09-05 |
Family
ID=26586076
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01104308A Expired - Lifetime EP1128586B1 (fr) | 2000-02-25 | 2001-02-22 | Station de base et appareil terminal avec modulation adaptative |
EP10012300.9A Expired - Lifetime EP2264933B1 (fr) | 2000-02-25 | 2001-02-22 | Système et méthode numérique de radio-transmission avec modulation adaptative |
EP10012301.7A Expired - Lifetime EP2264934B1 (fr) | 2000-02-25 | 2001-02-22 | Système et méthode numérique de radio-transmission avec modulation adaptative |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01104308A Expired - Lifetime EP1128586B1 (fr) | 2000-02-25 | 2001-02-22 | Station de base et appareil terminal avec modulation adaptative |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10012301.7A Expired - Lifetime EP2264934B1 (fr) | 2000-02-25 | 2001-02-22 | Système et méthode numérique de radio-transmission avec modulation adaptative |
Country Status (4)
Country | Link |
---|---|
US (1) | US6985538B2 (fr) |
EP (3) | EP1128586B1 (fr) |
JP (1) | JP4409743B2 (fr) |
CN (2) | CN100490367C (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7023933B2 (en) * | 2000-10-20 | 2006-04-04 | Matsushita Electric Industrial Co., Ltd. | Radio communication apparatus |
EP1284565A1 (fr) * | 2001-08-17 | 2003-02-19 | Matsushita Electric Industrial Co., Ltd. | Procédé de modulation d'un signal de données avec modulation à commutation entre modulation directe et différentielle et dispositif de modulation |
JP3997890B2 (ja) | 2001-11-13 | 2007-10-24 | 松下電器産業株式会社 | 送信方法及び送信装置 |
JP3836019B2 (ja) | 2001-11-21 | 2006-10-18 | 松下電器産業株式会社 | 受信装置、送信装置及び送信方法 |
US7079605B1 (en) * | 2002-04-25 | 2006-07-18 | Wideband Semiconductors, Inc. | Frequency estimation based on constellation error in QAM modems |
JP3973506B2 (ja) * | 2002-07-19 | 2007-09-12 | 三洋電機株式会社 | 無線受信装置、無線受信方法および無線受信プログラム |
JP3918669B2 (ja) * | 2002-07-24 | 2007-05-23 | 株式会社デンソー | 車載無線通信装置 |
EP1489807B1 (fr) | 2003-06-11 | 2007-11-14 | NTT DoCoMo, Inc. | Générateur de trames d'information pour signaux OFDM avec disposition adaptative des pilotes et des données |
CN100380831C (zh) * | 2003-09-23 | 2008-04-09 | 四川大学 | 用于信息安全传输的数字调制解调方法 |
KR20070053655A (ko) * | 2004-03-05 | 2007-05-25 | 넥스트넷 와이어리스 인크. | 적응 변조를 위한 시스템 및 방법 |
KR20060005925A (ko) * | 2004-07-14 | 2006-01-18 | 에스케이 텔레콤주식회사 | Tdd방식과 ofdm 변조 방식을 이용하는 이동통신망의 rf 중계기에서 전송 신호를 분리하는 스위칭타이밍 신호 생성 방법 및 시스템 |
KR100590486B1 (ko) * | 2004-07-29 | 2006-06-19 | 에스케이 텔레콤주식회사 | Tdd 방식과 ofdm 변조 방식을 이용하는 이동통신망의 광중계기에서 전송 신호를 분리하는 스위칭타이밍 신호 생성 방법 및 시스템 |
DK2793439T3 (en) | 2005-08-05 | 2019-01-28 | Panasonic Corp | SYSTEM FOR TRANSMISSION AND RECEIVING MODULATED DATA |
US7961800B2 (en) | 2005-09-07 | 2011-06-14 | Nec Corporation | Adaptive radio/modulation apparatus, receiver apparatus, wireless communication system, and wireless communication method |
US7330070B2 (en) * | 2005-11-10 | 2008-02-12 | Nokia Corporation | Method and arrangement for optimizing efficiency of a power amplifier |
KR100864823B1 (ko) | 2006-12-01 | 2008-10-23 | 한국전자통신연구원 | 파일럿을 이용한 계층 변조 장치 및 방법, 계층 변조된신호를 수신하는 장치 및 그 방법 |
JP5206921B2 (ja) * | 2007-03-16 | 2013-06-12 | 日本電気株式会社 | 移動無線システムにおけるリソース割当制御方法および装置 |
US8055291B2 (en) * | 2007-09-12 | 2011-11-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Power-aware link adaptation in a wideband CDMA system |
US8103302B2 (en) * | 2007-09-11 | 2012-01-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Power-aware link adaptation with variable bandwidth allocation |
EP2263355B1 (fr) * | 2008-03-31 | 2012-09-12 | Nxp B.V. | Modulateur numérique de haute résolution avec basculement entre des valeurs PWM ou PPM différentes |
DE102008017881B9 (de) | 2008-04-09 | 2012-11-08 | Andrew Wireless Systems Gmbh | TDD-Repeater für ein Drahtlos-Netz und Verfahren zum Betrieb eines solchen Repeaters |
US9590733B2 (en) * | 2009-07-24 | 2017-03-07 | Corning Optical Communications LLC | Location tracking using fiber optic array cables and related systems and methods |
JP4829331B2 (ja) * | 2009-09-09 | 2011-12-07 | 株式会社東芝 | 移動通信システムとその制御装置 |
US8570914B2 (en) | 2010-08-09 | 2013-10-29 | Corning Cable Systems Llc | Apparatuses, systems, and methods for determining location of a mobile device(s) in a distributed antenna system(s) |
WO2014087674A1 (fr) * | 2012-12-07 | 2014-06-12 | パナソニック株式会社 | Procédé de génération de signal, dispositif de transmission, procédé de réception, et dispositif de réception |
JP5716855B1 (ja) * | 2014-03-27 | 2015-05-13 | 沖電気工業株式会社 | 光通信装置及び通信方法 |
KR102036470B1 (ko) * | 2016-01-18 | 2019-10-24 | 비아비 솔루션즈 아이엔씨. | 이동 통신 신호의 왜곡 또는 손상의 검출 방법 및 장치 |
US9847802B1 (en) * | 2016-08-16 | 2017-12-19 | Xilinx, Inc. | Reconfiguration of single-band transmit and receive paths to multi-band transmit and receive paths in an integrated circuit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0869647A2 (fr) * | 1997-04-01 | 1998-10-07 | Lucent Technologies Inc. | Système de modulation multiporteuse à paramètres de fonctionnement dynamiquement réglables |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4763357A (en) * | 1985-04-18 | 1988-08-09 | Barr William S | Method and apparatus for providing secure electronic communications |
US5764699A (en) * | 1994-03-31 | 1998-06-09 | Motorola, Inc. | Method and apparatus for providing adaptive modulation in a radio communication system |
US5533004A (en) * | 1994-11-07 | 1996-07-02 | Motorola, Inc. | Method for providing and selecting amongst multiple data rates in a time division multiplexed system |
US6188720B1 (en) * | 1995-05-12 | 2001-02-13 | Itt Manufacturing Enterprises, Inc. | Modulation and signaling converter |
GB9709285D0 (en) * | 1997-05-08 | 1997-06-25 | Philips Electronics Nv | Flexible two-way telecommunications system |
CN1984112B (zh) * | 1997-07-01 | 2010-12-15 | 松下电器产业株式会社 | 发送方法、发送装置、接收方法、接收装置 |
US5909469A (en) * | 1997-08-29 | 1999-06-01 | Telefonaktoebolaget Lm Ericsson | Link adaptation method for links using modulation schemes that have different symbol rates |
US6167031A (en) * | 1997-08-29 | 2000-12-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for selecting a combination of modulation and channel coding schemes in a digital communication system |
US6038450A (en) * | 1997-09-12 | 2000-03-14 | Lucent Technologies, Inc. | Soft handover system for a multiple sub-carrier communication system and method thereof |
US6389066B1 (en) * | 1997-09-21 | 2002-05-14 | Lucent Technologies Inc. | System and method for adaptive modification of modulated and coded schemes in a communication system |
JPH11178050A (ja) * | 1997-12-10 | 1999-07-02 | Sony Corp | 制御情報伝送方法及び送信装置並びに送受信装置 |
EP0938208A1 (fr) * | 1998-02-22 | 1999-08-25 | Sony International (Europe) GmbH | Transmission multiporteuse, compatible au système GSM existant |
JP3741858B2 (ja) * | 1998-03-19 | 2006-02-01 | 富士通株式会社 | 適応変調方式 |
US6212240B1 (en) * | 1998-06-24 | 2001-04-03 | Motorola, Inc. | Method and apparatus for conveying data between communication devices |
JP3844033B2 (ja) | 1998-07-29 | 2006-11-08 | 株式会社ジーエス・ユアサコーポレーション | 密閉形鉛蓄電池 |
JP3505103B2 (ja) | 1999-05-10 | 2004-03-08 | 東亜ディーケーケー株式会社 | 巻取材料のたるみ防止機構 |
US6636500B2 (en) * | 1999-07-27 | 2003-10-21 | Lucent Technologies Inc. | Medium allocation method |
US6717934B1 (en) * | 1999-10-22 | 2004-04-06 | Nokia Corporation | Wireless telecommunication system having improved recognition of modulation type in GPRS |
US6519279B1 (en) * | 2000-01-05 | 2003-02-11 | Motorola, Inc. | Transceiver circuitry, portable communication device and method for performing radio communication |
-
2000
- 2000-10-20 JP JP2000320627A patent/JP4409743B2/ja not_active Expired - Lifetime
-
2001
- 2001-02-22 EP EP01104308A patent/EP1128586B1/fr not_active Expired - Lifetime
- 2001-02-22 EP EP10012300.9A patent/EP2264933B1/fr not_active Expired - Lifetime
- 2001-02-22 US US09/789,623 patent/US6985538B2/en not_active Expired - Lifetime
- 2001-02-22 EP EP10012301.7A patent/EP2264934B1/fr not_active Expired - Lifetime
- 2001-02-23 CN CNB011047631A patent/CN100490367C/zh not_active Expired - Lifetime
- 2001-02-23 CN CN2009101347742A patent/CN101534286B/zh not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0869647A2 (fr) * | 1997-04-01 | 1998-10-07 | Lucent Technologies Inc. | Système de modulation multiporteuse à paramètres de fonctionnement dynamiquement réglables |
Non-Patent Citations (2)
Title |
---|
KAMIO Y ET AL: "Performance of modulation-level-controlled adaptive-modulation under limited transmission delay time for land mobile communications", VEHICULAR TECHNOLOGY CONFERENCE, 1995 IEEE 45TH CHICAGO, IL, USA 25-28 JULY 1995, NEW YORK, NY, USA,IEEE, US, vol. 1, 25 July 1995 (1995-07-25), pages 221 - 225, XP010166927, ISBN: 0-7803-2742-X * |
MORINAGA N: "ADVANCED WIRELESS COMMUNICATION TECHNOLOGIES FOR ACHIEVING HIGH-SPEED MOBILE RADIOS", IEICE TRANSACTIONS ON COMMUNICATIONS, COMMUNICATIONS SOCIETY, TOKYO, JP, vol. E78-B, no. 8, 1 August 1995 (1995-08-01), pages 1089 - 1094, XP000539743, ISSN: 0916-8516 * |
Also Published As
Publication number | Publication date |
---|---|
EP2264933B1 (fr) | 2018-09-05 |
EP1128586A2 (fr) | 2001-08-29 |
CN100490367C (zh) | 2009-05-20 |
CN1310558A (zh) | 2001-08-29 |
EP2264934A2 (fr) | 2010-12-22 |
CN101534286B (zh) | 2011-11-16 |
EP2264934A3 (fr) | 2017-05-17 |
EP2264933A2 (fr) | 2010-12-22 |
JP4409743B2 (ja) | 2010-02-03 |
CN101534286A (zh) | 2009-09-16 |
JP2001313685A (ja) | 2001-11-09 |
EP2264934B1 (fr) | 2018-09-05 |
EP1128586A3 (fr) | 2006-05-31 |
US6985538B2 (en) | 2006-01-10 |
EP1128586B1 (fr) | 2012-08-22 |
US20010017896A1 (en) | 2001-08-30 |
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